REVENUE (Tables)

9 Months Ended

Sep. 30, 2021

Revenue from Contract with Customer [Abstract]

Schedule of Revenue Disaggregated by Types and Geography

The following table presents revenue disaggregated by type and geography (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
U.S.
Product	$	6,097	$	618	$	21,304	$	7,920
Service	2,795		2,168		7,497		5,664
Total U.S. revenue	$	8,892	$	2,786	$	28,801	$	13,584
Outside of U.S. ("OUS")
Product	$	8,029	$	5,592	$	15,118	$	20,375
Service	2,138		1,590		5,457		4,245
Distribution rights	118		118		356		356
Total OUS revenue	$	10,285	$	7,300	$	20,931	$	24,976
Total
Product	$	14,126	$	6,210	$	36,422	$	28,295
Service	4,933		3,758		12,954		9,909
Distribution rights	118		118		356		356
Total revenue	$	19,177	$	10,086	$	49,732	$	38,560